from the New Zealand Institute of Geological and Nuclear Science (GNS Science), a New Zealand Government Research Institute. GNS provides a free Map of New Zealand's Geological Foundations. The main maps are the 1 : 250 000 QMap series, which will be completed as a series of 21 maps and booklets in 2010. Low resolution versions of these maps (without the associated booklet) can be downloaded from the GNS site for free. The map for the Kaitaia Area was published in 1996. The map for the Whangarei Area was published in 2009. The map for the Auckland Area was published in 2002. There is also a 1 : 25 000 map of the Whangarei Urban Area, published in 2003. See also Geology of New Zealand References Further reading Christie, A.B. and Barker, R.G. (2007). Mineral resource assessment of the Northland Region, New Zealand. GNS Science science report 2007/06, May 2007. Graham, Ian J. et al. (2008). A continent on the move : New Zealand geoscience into the 21st century. The Geological Society of New Zealand in association with GNS Science. Hayward, Bruce W. (2017). Out of the Ocean, into the Fire: History in the rocks, fossils and landforms of Auckland, Northland and Coromandel. Geoscience Society of New Zealand. . North Northland Region